|
Table 3. Classes of Wind Power Density at Heights of 10 m and 50 m (a) |
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|
Wind Power Class* |
10 m (33 ft) |
50 m (164 ft) |
||
|
Wind Power Density (W/m2) |
Speed(b) m/s (mph) |
Wind Power Density (W/m2) |
Speed(b) m/s (mph) |
|
|
1 |
0 |
0 |
0 |
|
|
|
100 |
4.4 (9.8) |
200 |
5.6 (12.5) |
|
2 |
150 |
5.1 (11.5) |
300 |
6.4 (14.3) |
|
3 |
200 |
5.6 (12.5) |
400 |
7.0 (15.7) |
|
4 |
250 |
6.0 (13.4) |
500 |
7.5 (16.8) |
|
5 |
300 |
6.4 (14.3) |
600 |
8.0 (17.9) |
|
6 |
400 |
7.0 (15.7) |
800 |
8.8 (19.7) |
|
7 |
1,000 |
9.4 (21.1) |
2,000 |
11.9 (26.6) |
